Radioactive elements include all those elements whose nuclei contain more than
1.
83 amu
83 nucleons
83 neutrons
83 protons

What is the number of neutrons in an atom with atomic mass of 35

When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two

Determine the osmotic pressure at 25 °c of an aqueous solution that is 0.028 m nano3. a) 0.685 atm b) 0.0729 atm c) 1.37 atm d) 0.0364 atm e) 2.06 atm